by Bakdi Soemanto $7.00
by Drs. Abas Kartadinata $13.00
by C. Rollin Niswonger $13.00
by Baum, Warren C & Stokes M. Tolbert $7.00
by Dyah Hasto & Teguh Sri Pambudi $30.00
by Muda Markus $20.00